Books by M. E. Hazel:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hazel, M. E.: Development of anticipatory automobile crash sensors. Annual report. (1971), also by John B. Hopkins, F. Ross Holmstrom, E. G. Apgar, A. T. Newfell, and E. F. White (page images at HathiTrust)- Hazel, M. E.: A methodology for determination of grade crossing resource-allocation guidelines. Final report. (1975), also by John B. Hopkins (page images at HathiTrust)
- Hazel, M. E.: Technological innovation in grade crossing protective systems. Technical report. (1971), also by John B. Hopkins (page images at HathiTrust)
Find more by M. E. Hazel at your library, or elsewhere.